Finding the Fourth Proportional to 1,609,106.08, 2,220,494.56 and 964,881.76
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Solution
The fourth proportional to 1,609,106.08, 2,220,494.56 and 964,881.76 is: 1,331,493.76
Step by Step Solution
- Step 1: Write the proportion equation
1,609,106.08 : 2,220,494.56 = 964,881.76 : x - Step 2: Convert to fraction form
1,609,106.08/2,220,494.56 = 964,881.76/x - Step 3: Cross multiply
1,609,106.08x = 2,220,494.56 × 964,881.76 - Step 4: Simplify right side
1,609,106.08x = 2,142,514,699,123.23 - Step 5: Solve for x
x = 2,142,514,699,123.23/1,609,106.08 - Step 6: Final answer
x = 1,331,493.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.